throw caution to the wind

US /θroʊ ˈkɔːʃən tuː ðə wɪnd/
UK /θroʊ ˈkɔːʃən tuː ðə wɪnd/
"throw caution to the wind" picture
1.

用心を捨てる, 無謀な行動をとる

to take a risk; to act recklessly or without worrying about the possible dangers or consequences

:
After years of careful saving, she decided to throw caution to the wind and buy a sports car.
何年も慎重に貯蓄した後、彼女は用心を捨ててスポーツカーを買うことにした。
Sometimes you just have to throw caution to the wind and follow your heart.
時には用心を捨てて、自分の心に従うしかない。